Selected District-wise Ambient Air Quality Status of Nitrogen Dioxide NO2 Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Tamil Nadu (2021-2022) | |||||
District | City/Location | Category | NO2 Concentration in μg/m3 | ||
Maximum | Minimum | Average | |||
Chennai | |||||
Coimbatore | |||||
Thoothukkudi | |||||
Madurai | |||||
Salem | |||||
Tiruchirappalli | |||||
Cuddalore | |||||
Salem | |||||